arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/broadcom/bcm2711-rpi-cm4-io.dts
Extension
.dts
Size
2640 bytes
Lines
173
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include <dt-bindings/leds/common.h>
#include "bcm2711-rpi-cm4.dtsi"
#include "bcm283x-rpi-led-deprecated.dtsi"
#include "bcm283x-rpi-usb-host.dtsi"

/ {
	model = "Raspberry Pi Compute Module 4 IO Board";
};

&ddc0 {
	status = "okay";
};

&ddc1 {
	status = "okay";
};

&gpio {
	/*
	 * Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
	 * the official GPU firmware DT blob.
	 *
	 * Legend:
	 * "FOO" = GPIO line named "FOO" on the schematic
	 * "FOO_N" = GPIO line named "FOO" on schematic, active low
	 */
	gpio-line-names = "ID_SDA",
			  "ID_SCL",
			  "SDA1",
			  "SCL1",
			  "GPIO_GCLK",
			  "GPIO5",
			  "GPIO6",
			  "SPI_CE1_N",
			  "SPI_CE0_N",
			  "SPI_MISO",
			  "SPI_MOSI",
			  "SPI_SCLK",
			  "GPIO12",
			  "GPIO13",
			  /* Serial port */
			  "TXD1",
			  "RXD1",
			  "GPIO16",
			  "GPIO17",
			  "GPIO18",
			  "GPIO19",
			  "GPIO20",
			  "GPIO21",
			  "GPIO22",
			  "GPIO23",
			  "GPIO24",
			  "GPIO25",
			  "GPIO26",
			  "GPIO27",
			  "RGMII_MDIO",
			  "RGMII_MDC",
			  /* Used by BT module */
			  "CTS0",
			  "RTS0",
			  "TXD0",
			  "RXD0",
			  /* Used by Wifi */
			  "SD1_CLK",
			  "SD1_CMD",
			  "SD1_DATA0",
			  "SD1_DATA1",
			  "SD1_DATA2",

Annotation

Implementation Notes